--- product_id: 455884283 title: "RS485 Repeater Optical Isolator Anti Thunder Optoelectronic Isolation High Speed Hub for Expand Distance and Serial Communication Attendance Machine" brand: "liebewh" price: "€ 41.05" currency: EUR in_stock: true category: "Liebe Wh" url: https://www.desertcart.hr/products/455884283-rs485-repeater-optical-isolator-anti-thunder-optoelectronic-isolation-high-speed store_origin: HR region: Croatia --- # 1000V optical isolation Extends RS485 by 1200m Industrial temp -20℃ to 65℃ RS485 Repeater Optical Isolator Anti Thunder Optoelectronic Isolation High Speed Hub for Expand Distance and Serial Communication Attendance Machine **Brand:** liebewh **Price:** € 41.05 **Availability:** ✅ In Stock ## Summary > ⚡ Power your network with unstoppable, lightning-fast RS485 isolation! ## Quick Answers - **What is this?** RS485 Repeater Optical Isolator Anti Thunder Optoelectronic Isolation High Speed Hub for Expand Distance and Serial Communication Attendance Machine by liebewh - **How much does it cost?** € 41.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/455884283-rs485-repeater-optical-isolator-anti-thunder-optoelectronic-isolation-high-speed) ## Best For - liebewh enthusiasts ## Why This Product - Trusted liebewh brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Optical Isolation:** Protect your devices from damaging ground loops and voltage spikes with 1000V isolation technology. - • **Plug & Play Smart Control:** Automatic direction control via onboard microprocessor—no software hassle, just seamless communication. - • **Industrial-Grade Durability:** Operates reliably in harsh environments from -20℃ to 65℃ and 25%-85% humidity, built for real-world challenges. - • **Versatile Application Ready:** Ideal for video surveillance, access control, PLCs, and attendance systems—future-proof your infrastructure. - • **Ultra-Long Reach Connectivity:** Boost your RS485 network up to 1200 meters without signal loss, perfect for sprawling industrial setups. ## Overview The YN2209 RS485 Repeater with optical isolation extends serial communication distances up to 1200 meters while safeguarding equipment with 1000V isolation. Designed for industrial environments, it supports baud rates up to 115.2kbps and features automatic bus direction control, ensuring stable, interference-free data transmission across diverse applications like surveillance, access control, and PLC systems. ## Description Specification: Item Type: RS485 Repeater Material: ABS Model: YN2209 1. Interface Characteristics: Compatible with EIA/TIA's RS 485 Standard 2. Electrical Interface: RS 485 Bolted Terminal 3. Interface : 600w Thunder 4. Medium: Twisted Pair or Shielded Twisted Pair 5. Number of Nodes: Maximum 32 (128 Can Be Customized, Customer Service) 6.terminal Externally Connected As Needed 7 Rate: 600bps-115.2kbps 8. Distance: 4000ft (1200m) at 9.6kbps 9. Isolation Voltage: 1000V 10. Input Power: DC9-24V 11 Status Indication: Real-time Display of the On-board Transceiver Indicator 12. Working Temperature: -20℃~65℃ 13.working Humidity: 25%~85% (non-condensing) Package List: 1 x RS485 Repeater Note: Do not use outside the voltage range. ## Features - DESCRIPTION: The YN2209 isolated repeater is an active isolated RS‑485 repeater designed to solve the industrial complex electromagnetic environment. The external power supply can ensure the stability and reliability of the equipment during long‑term - ADVANTAGE: YN2209 optical isolator can extend the existing RS485 by 1200m to solve the problem of attenuation caused by too long RS485 wiring. The baud rate supported at the same time is up to 115.2kpbs - FUNCTION: The photoelectric technology isolation of this RS485 converter can ensure that the equipment is not damaged by the ground loop and the common mode voltage difference during the communication process - WIDE APPLICATION: The optical isolation splitter can be widekly used for video surveillance, building intercom, PLC, card access control, power acquisition, time attendance, etc. - WORKING PRINCIPLE: The direction control of the RS‑485 repeater bus is automatically completed by the on‑board microprocessor, without software intervention, and the YN2209 can work in an industrial‑grade temperature and humidity environment ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09CDXYPDK | | Best Sellers Rank | #712 in Repeaters | | Date First Available | August 11, 2021 | | Item Weight | 2.39 ounces | | Manufacturer | LiebeWH | | Product Dimensions | 4.72 x 2.76 x 1.57 inches | ## Product Details - **Brand:** LiebeWH - **Compatible Devices:** default - **Data Transfer Rate:** 115.2 Megabits Per Second - **Included Components:** inc - **Special Feature:** Optical Isolation, High Baud Rate Support, Extended Communication Distance ## Images ![RS485 Repeater Optical Isolator Anti Thunder Optoelectronic Isolation High Speed Hub for Expand Distance and Serial Communication Attendance Machine - Image 1](https://m.media-amazon.com/images/I/41Vf6DSv5kL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/455884283-rs485-repeater-optical-isolator-anti-thunder-optoelectronic-isolation-high-speed](https://www.desertcart.hr/products/455884283-rs485-repeater-optical-isolator-anti-thunder-optoelectronic-isolation-high-speed) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-18*